diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b985a34..f38d442 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,8 +9,10 @@ jobs:
     name: Deploy docs
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout main
-        uses: actions/checkout@v2
+      - name: Checkout ng
+        uses: actions/checkout@v4
+        with:
+          ref: ng
 
       - name: Deploy docs
         uses: mhausenblas/mkdocs-deploy-gh-pages@nomaterial